<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        nav{
            width: 960px;
            height: 60px;
            border:1px red solid;
            margin: 100px auto;
        }
    </style>
</head>
<body>

      <nav>

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</body>
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